The Equestria Institute of Science (EIS) is an Research Institution facility of a space pony nation called United Nation of Equestria (UNE). One day, a science vessel, ESV. Geodetic from Equestria Institute of Science intercepted a probe at sub-light speed . The probe was an distress beacon of an ancient pony civilization. It also contained a archive of this civilization. This discovery indicated ponies had been traveled thousands of light years before settled in this region which was contradictory to the official history of UNE that ponies were native species. To avoid potential conflict between ponies and other native species, the government onboard observers seized the vessel and framed a scientist committing crime of replacing the artifact and disrupting the society.  The scientist died in prison, but the rumours about the truth were spread. Some EIS scientists and students came together in the dark, gathering information of their origin. They secretly constructed a huge starship, ESV. Destiny, going to search for the lost world thousands light years away. However, they got the government's attention, and had to launch the ship early into deep space...